环状(结构)化合物

This is the VOA Special English Development Report. Right now, the top story in AIDS research involves newly announced findings about adult male circumcision. Two studies in Africa found that circumci

发表于:2018-11-27 / 阅读(561) / 评论(0) 分类 2006年慢速英语(十二)月

Could there be a substance that both gives us the munchies and can help combat obesity? There may indeed be, according to research published in the Proceedings of the National Academy of Sciences. The Monell Center in Pennsylvania partnered with Kyus

发表于:2018-12-02 / 阅读(244) / 评论(0) 分类 Scientific American(十二)月

发表于:2018-12-13 / 阅读(296) / 评论(0) 分类 Wee Sing For Christmas

1. Parts of North Carolina all the way up to Massachusetts have been rattled by an earthquake. The 5.9-magnitude quake was centered in Virginia and has caused minor damage and some injuries. 2. Hundreds of Libyan rebels have stormed one of Muammar Ga

发表于:2018-12-15 / 阅读(248) / 评论(0) 分类 美联社新闻一分钟2011(八月)

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(219) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute. Compounds found in the herb thyme have antibiotic properties. Now scientists have demonstrated that thyme might have a future role in fighting acne. A

发表于:2018-12-24 / 阅读(318) / 评论(0) 分类 Scientific American(三)月

Ever wondered why mosquito eat some people up but leave others relatively unscathed. a new study find this prefential treament due to smells produced by the microscopic critters that cover our bodies. the reaserch is in the journal public library sci

发表于:2018-12-24 / 阅读(267) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Take a deep breath. Taste anything? Actually, your lungs may, because scientists have discovered that the same receptors that exist on the tongue to tast

发表于:2018-12-24 / 阅读(210) / 评论(0) 分类 Scientific American(十)月

Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f

发表于:2019-01-03 / 阅读(323) / 评论(0) 分类 优美儿童英语歌曲

This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through

发表于:2019-01-08 / 阅读(200) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(252) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Wine can help keep conversation flowing at a dinner party. And now it looks like that wine may aid in materials science as well. Japanese researchers dis

发表于:2019-01-08 / 阅读(283) / 评论(0) 分类 Scientific American(三)月

发表于:2019-01-10 / 阅读(372) / 评论(0) 分类 Wee Sing Around the World

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-01-18 / 阅读(178) / 评论(0) 分类 英语单词大师-Word Master

歌词如下: Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here. Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here.

发表于:2019-01-28 / 阅读(228) / 评论(0) 分类 英语儿歌274首

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-02-14 / 阅读(159) / 评论(0) 分类 英语单词大师-Word Master

进行英语面试时,面试官会问到,你为什么觉得你胜任这项工作。那么你的回答就要让面试官相信你能把这份工作做好。本文列出了一些常见的问题和回答,仅供参考。 I (Interviewer 面试者) A

发表于:2019-02-18 / 阅读(243) / 评论(0) 分类 实用英语

Hey Don, do you like asparagus? Yep, I love it Yael, can't get enough. But don't you notice there's a certain problem after you've eaten it? Problem? Yeah, everybody knows that eating asparagus can cause a rather unpleasant smell in your urine. I did

发表于:2019-02-23 / 阅读(150) / 评论(0) 分类 英语时差8,16

But thats what comes out after we eat asparagus, which is not necessarily the same was what went in. Our digestive systems do some pretty complex chemistry, you know. Plus, the act of cooking the asparagus probably changes the chemistry around a bit,

发表于:2019-02-23 / 阅读(258) / 评论(0) 分类 英语时差8,16

Why is my verse so barren of new pride, 为什么我的诗缺乏点晴之笔, So far from variation or quick change? 行文沉闷呆板,千篇一律? Why with the time do I not glance aside 为什么我的诗不顺应时尚, To new-found meth

发表于:2019-02-24 / 阅读(270) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
amusical
asset-allocation
axis of advance
baghetti
block board
bloodysputum
Bol'shaya Balakhnya
bottle stoop
brostoff
calcinotic
canopy hood
carbon steel bearing
cargo delivery receipt
changes in the quantity supplied
chondrolaryngoplasty
Chopovychi
Churchill , John, 1st Duke of Marlborough
cinemaradiography
coastal warning
coloured gold
counter-walk
crankcase drain plug
cultural anthropologies
dashing
defoors
dehydracetic
Dehydro-iso-androsterone
dislocation vein
do you believe in God
dolomitizes
eremopyroides
eye tracking technology
factorans
FANY, F.A.N.Y.
finite differential analysis
for love or for money
freak stocks
frontier guards
gasoline hungry
gazeboes
Heding (Ex13)
Hirt stability analysis
huttner
incrementalistic
jadedly
Kaede
Kollur
Kyrkhult
lab-scale
left mouse button
lepidocrokite
load-calibrating device
macro skeleton structure
Manglaur
matured dough
Michell thrust bearing
Morin transition
Mylipen
myostracum
normal charge current
open-ended control
pair landing
palladium dydroxide
pectin powder
petoes
picture showing
plain calliper gauge
pleurorhizal embryo
positions du corps
rambunxious
refraction (of neutron beam)
repose period
restricted device
run a plant
run one's eyes over
S.&S.
sadisa
salv salvage
Saussurea pseudobullockii
Schaumann's sarcoid
Secamone
Sigerfjord
sixtiest
Slobodskoy Rayon
specific prophylaxis
spring a surprise on someone
stapleys
syphon barometer
takeover condition
Tamaxin
tannin sac
taste aversion
temagami
tender truck bolster
teotihuacn
toothachingly
undelightful
unlines
unloader knife
urushin
veal piccata
voicecast